The Collaborative International Dictionary of English v.0.48:

Rifle \Ri"fle\, v. t. [imp. & p. p. Rifled; p. pr. & vb. n.
   Rifling.] [F. rifler to rifle, sweep away; of uncertain
   origin. CF. Raff.]
   1. To seize and bear away by force; to snatch away; to carry
      off.
      [1913 Webster]

            Till time shall rifle every youthful grace. --Pope.
      [1913 Webster]

   2. To strip; to rob; to pillage. --Piers Plowman.
      [1913 Webster]

            Stand, sir, and throw us that you have about ye:
            If not, we'll make you sit and rifle you. --Shak.
      [1913 Webster]

   3. To raffle. [Obs.] --J. Webster.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rifle \Ri"fle\, v. i.
   1. To raffle. [Obs.] --Chapman.
      [1913 Webster]

   2. To commit robbery. [R.] --Bp. Hall.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rifle \Ri"fle\, n. [Akin to Dan. rifle, or riffel, the rifle of
   a gun, a chamfer (cf. riffel, riffelb["o]sse, a rifle gun,
   rifle to rifle a gun, G. riefeln, riefen, to chamfer,
   groove), and E. rive. See Rive, and cf. Riffle, Rivel.]
   1. A gun, the inside of whose barrel is grooved with spiral
      channels, thus giving the ball a rotary motion and
      insuring greater accuracy of fire. As a military firearm
      it has superseded the musket.
      [1913 Webster]

   2. pl. (Mil.) A body of soldiers armed with rifles.
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   3. A strip of wood covered with emery or a similar material,
      used for sharpening scythes.
      [1913 Webster]

   Rifle pit (Mil.), a trench for sheltering sharpshooters.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rifle \Ri"fle\, v. t.
   1. To grove; to channel; especially, to groove internally
      with spiral channels; as, to rifle a gun barrel or a
      cannon.
      [1913 Webster]

   2. To whet with a rifle. See Rifle, n., 3.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rifle
    n 1: a shoulder firearm with a long barrel and a rifled bore;
         "he lifted the rifle to his shoulder and fired"
    v 1: steal goods; take as spoils; "During the earthquake people
         looted the stores that were deserted by their owners" [syn:
         plunder, despoil, loot, reave, strip, rifle,
         ransack, pillage, foray]
    2: go through in search of something; search through someone's
       belongings in an unauthorized way; "Who rifled through my
       desk drawers?" [syn: rifle, go]

Moby Thesaurus II by Grady Ward, 1.0:

136 Moby Thesaurus words for "rifle":
   Amazon, Zouave, air serviceman, automatic, bersagliere, blowgun,
   blowpipe, brave, burglarize, burgle, canal, canalize,
   cannon fodder, carabineer, carve, chamfer, channel, chasseur,
   chisel, comb, corrugate, crack, crimp, cut, dado, depredate,
   despoil, dike, ditch, dogface, doughfoot, engrave, expert rifleman,
   fighting man, firearm, flamethrower, fleece, flute,
   food for powder, foot soldier, footslogger, forage, foray,
   freeboot, furrow, fusileer, gash, gat, go through, goffer, gouge,
   grenadier, groove, grunt, gully, gun, gut, halberdier, handgun,
   heater, hoplite, incise, infantryman, knock off, knock over,
   legionary, light infantryman, look all over, look everywhere, loot,
   man-at-arms, maraud, marksman, military man, musket, musketeer,
   navy man, paddlefoot, peashooter, piece, pikeman, pillage, pistol,
   pleat, plow, plunder, prey on, rabbet, raid, rake, ransack, ravage,
   raven, ravish, reive, relieve, repeater, revolver, rifleman, rob,
   rod, rummage, rut, sack, sawed-off shotgun, score, scour, scratch,
   search, search high heaven, serviceman, shake, shake down,
   sharpshooter, shooting iron, shotgun, six-gun, six-shooter, slit,
   sniper, soldier, spearman, spoil, spoliate, stick up, streak,
   striate, sweep, toss, trench, trough, turn inside out,
   turn upside down, warrior, warrioress, wrinkle



U.S. Gazetteer Places (2000):

Rifle, CO -- U.S. city in Colorado
   Population (2000):    6784
   Housing Units (2000): 2586
   Land area (2000):     4.290603 sq. miles (11.112611 sq. km)
   Water area (2000):    0.039498 sq. miles (0.102299 sq. km)
   Total area (2000):    4.330101 sq. miles (11.214910 sq. km)
   FIPS code:            64255
   Located within:       Colorado (CO), FIPS 08
   Location:             39.536992 N, 107.782709 W
   ZIP Codes (1990):     81650
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Rifle, CO
    Rifle